Rotation laser



FIG. 1 is a top perspective view of a rotation laser according to the design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a side view thereof, the three additional side views being identical, excluding the unclaimed subject matter;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a rotation laser, as shown and described. 